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RESEARCH

Global Cybersecurity Market Size for 2025 Splits $107B -- From $219B to $326B Across Analyst Reports

Cybersecurity · 2026-08-06 10:16

Five widely cited market-research firms each published a 2025 global cybersecurity market-size figure, and the values diverge by $107.2 billion -- from $218.98 billion (Fortune Business Insights) to $326.2 billion (IMARC Group), roughly a 49% spread on the low-end estimate. Running these figures through UVRN's Delta Engine returns INDETERMINATE rather than forcing a single consensus number: even though every source treats its figure as a confident headline claim, the measured spread (0.093) narrowly clears the 0.05 disagreement threshold. The likely driver is inconsistent market scope -- reports differ on whether managed security services, cloud security, and adjacent categories like risk and compliance software count toward the cybersecurity market, or whether narrower product-security spend alone does.

Findings

  • Five analyst firms published 2025 global cybersecurity market-size figures ranging from $218.98 billion (Fortune Business Insights) to $326.2 billion (IMARC Group) -- a $107.2 billion, roughly 49% spread for the same calendar year and the same nominal market.
  • Three firms cluster within a $13.6 billion band: Expert Market Research ($257.58B), Market Data Forecast ($262.23B), and DataBridge Market Research ($248.67B), while Fortune Business Insights and IMARC Group sit at the low and high ends respectively.
  • UVRN's Delta Engine measures the spread in how prominently each source features its own figure as a headline statistic, not the raw dollar gap, and still returned INDETERMINATE (deltaFinal 0.093 against a 0.05 threshold) -- near-identical headline framing across five reports was enough measured spread to miss consensus.
  • None of the five public report pages publish a segment-by-segment breakdown (network security, cloud security, endpoint, identity, managed services) alongside the topline figure, so a reader cannot reconcile the $107B gap without buying each firm's full paid report.

Delta Engine result

↔ Divergence Detected — Δ 0.093 (threshold 0.05)

Evidence quality

avg 25 · min 25 · max 25 · spread 0